OpenTechnical

OT-2026-000090481

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, pressure sensor per zone, sustained blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000090481) never changes.

Identity and time

Publication numberOT-2026-000090481 · never reused
Internal UUID01a0ae9c-7f2e-7ff9-9e98-72dfd917e879 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090481
StatusPUBLIC

Content hashes

Canonical text17c7d29b4e0f8f128498ccd09878da9c786d43e3a49b4ed67b5cf26176db5028
Markdown68665f9bdf0ee2f0c36b8ceeab624fc17e02c36779e85d988e938101c718e6f7
PDF
Publication page948870ca21ec1f9477780a65b1217ba99115b07329054b9507059ade49370f4f
Manifest410bbc9b2cb473f096b8d69228c59c88b486a36bd82f82d3b46abb956bba3e51

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureDgKkqjQ3FS0k10tXJysNq0x/3YnS89u4yd4ixXzadMEDGdbTczUdQpE5wF1Awgy2ow8bDru7y9dkhFlcrOHTCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:44:36.698057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090481
observed 948870ca21ec1f9477780a65b1217ba9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:36.681687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090481/manifest.json
observed 410bbc9b2cb473f096b8d69228c59c88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:36.663934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090481/publication.md
observed 68665f9bdf0ee2f0c36b8ceeab624fc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:36.647617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090481/publication.txt
observed 17c7d29b4e0f8f128498ccd09878da9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.